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Merge pull request #1039 from pratiktiwari13/bugfix/empty-force-list

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Fixes the issue of losing the array if an empty forceList element or a tag is in the middle or the end
This commit is contained in:
Sean Leary
2026-02-03 11:15:58 -06:00
committed by GitHub
parent 538afc3d78 510a03ac36
commit a37aa69480
2 changed files with 164 additions and 4 deletions
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11
src/main/java/org/json/XML.java
View File

@@ -391,8 +391,13 @@ public class XML {
context.append(tagName, JSONObject.NULL);
} else if (jsonObject.length() > 0) {
context.append(tagName, jsonObject);
} else {
} else if(context.isEmpty()) { //avoids resetting the array in case of an empty tag in the middle or end
context.put(tagName, new JSONArray());
if (jsonObject.isEmpty()){
context.append(tagName, "");
}
} else {
context.append(tagName, "");
}
} else {
if (nilAttributeFound) {
@@ -451,7 +456,11 @@ public class XML {
if (config.getForceList().contains(tagName)) {
// Force the value to be an array
if (jsonObject.length() == 0) {
//avoids resetting the array in case of an empty element in the middle or end
if(context.isEmpty()) {
context.put(tagName, new JSONArray());
}
context.append(tagName, "");
} else if (jsonObject.length() == 1
&& jsonObject.opt(config.getcDataTagName()) != null) {
context.append(tagName, jsonObject.opt(config.getcDataTagName()));

155
src/test/java/org/json/junit/XMLConfigurationTest.java
View File

@@ -1092,7 +1092,7 @@ public class XMLConfigurationTest {
"<addresses></addresses>";
String expectedStr =
"{\"addresses\":[]}";
"{\"addresses\":[\"\"]}";
Set<String> forceList = new HashSet<String>();
forceList.add("addresses");
@@ -1130,7 +1130,7 @@ public class XMLConfigurationTest {
"<addresses />";
String expectedStr =
"{\"addresses\":[]}";
"{\"addresses\":[\"\"]}";
Set<String> forceList = new HashSet<String>();
forceList.add("addresses");
@@ -1144,6 +1144,157 @@ public class XMLConfigurationTest {
Util.compareActualVsExpectedJsonObjects(jsonObject, expetedJsonObject);
}
@Test
public void testForceListWithLastElementAsEmptyTag(){
final String originalXml = "<root><id>1</id><id/></root>";
final String expectedJsonString = "{\"root\":{\"id\":[1,\"\"]}}";
HashSet<String> forceListCandidates = new HashSet<>();
forceListCandidates.add("id");
final JSONObject json = XML.toJSONObject(originalXml,
new XMLParserConfiguration()
.withKeepStrings(false)
.withcDataTagName("content")
.withForceList(forceListCandidates)
.withConvertNilAttributeToNull(true));
assertEquals(expectedJsonString, json.toString());
}
@Test
public void testForceListWithFirstElementAsEmptyTag(){
final String originalXml = "<root><id/><id>1</id></root>";
final String expectedJsonString = "{\"root\":{\"id\":[\"\",1]}}";
HashSet<String> forceListCandidates = new HashSet<>();
forceListCandidates.add("id");
final JSONObject json = XML.toJSONObject(originalXml,
new XMLParserConfiguration()
.withKeepStrings(false)
.withcDataTagName("content")
.withForceList(forceListCandidates)
.withConvertNilAttributeToNull(true));
assertEquals(expectedJsonString, json.toString());
}
@Test
public void testForceListWithMiddleElementAsEmptyTag(){
final String originalXml = "<root><id>1</id><id/><id>2</id></root>";
final String expectedJsonString = "{\"root\":{\"id\":[1,\"\",2]}}";
HashSet<String> forceListCandidates = new HashSet<>();
forceListCandidates.add("id");
final JSONObject json = XML.toJSONObject(originalXml,
new XMLParserConfiguration()
.withKeepStrings(false)
.withcDataTagName("content")
.withForceList(forceListCandidates)
.withConvertNilAttributeToNull(true));
assertEquals(expectedJsonString, json.toString());
}
@Test
public void testForceListWithLastElementAsEmpty(){
final String originalXml = "<root><id>1</id><id></id></root>";
final String expectedJsonString = "{\"root\":{\"id\":[1,\"\"]}}";
HashSet<String> forceListCandidates = new HashSet<>();
forceListCandidates.add("id");
final JSONObject json = XML.toJSONObject(originalXml,
new XMLParserConfiguration()
.withKeepStrings(false)
.withForceList(forceListCandidates)
.withConvertNilAttributeToNull(true));
assertEquals(expectedJsonString, json.toString());
}
@Test
public void testForceListWithFirstElementAsEmpty(){
final String originalXml = "<root><id></id><id>1</id></root>";
final String expectedJsonString = "{\"root\":{\"id\":[\"\",1]}}";
HashSet<String> forceListCandidates = new HashSet<>();
forceListCandidates.add("id");
final JSONObject json = XML.toJSONObject(originalXml,
new XMLParserConfiguration()
.withKeepStrings(false)
.withForceList(forceListCandidates)
.withConvertNilAttributeToNull(true));
assertEquals(expectedJsonString, json.toString());
}
@Test
public void testForceListWithMiddleElementAsEmpty(){
final String originalXml = "<root><id>1</id><id></id><id>2</id></root>";
final String expectedJsonString = "{\"root\":{\"id\":[1,\"\",2]}}";
HashSet<String> forceListCandidates = new HashSet<>();
forceListCandidates.add("id");
final JSONObject json = XML.toJSONObject(originalXml,
new XMLParserConfiguration()
.withKeepStrings(false)
.withForceList(forceListCandidates)
.withConvertNilAttributeToNull(true));
assertEquals(expectedJsonString, json.toString());
}
@Test
public void testForceListEmptyAndEmptyTagsMixed(){
final String originalXml = "<root><id></id><id/><id>1</id><id/><id></id><id>2</id></root>";
final String expectedJsonString = "{\"root\":{\"id\":[\"\",\"\",1,\"\",\"\",2]}}";
HashSet<String> forceListCandidates = new HashSet<>();
forceListCandidates.add("id");
final JSONObject json = XML.toJSONObject(originalXml,
new XMLParserConfiguration()
.withKeepStrings(false)
.withForceList(forceListCandidates)
.withConvertNilAttributeToNull(true));
assertEquals(expectedJsonString, json.toString());
}
@Test
public void testForceListConsistencyWithDefault() {
final String originalXml = "<root><id>0</id><id>1</id><id/><id></id></root>";
final String expectedJsonString = "{\"root\":{\"id\":[0,1,\"\",\"\"]}}";
// confirm expected result of default array-of-tags processing
JSONObject json = XML.toJSONObject(originalXml);
assertEquals(expectedJsonString, json.toString());
// confirm forceList array-of-tags processing is consistent with default processing
HashSet<String> forceListCandidates = new HashSet<>();
forceListCandidates.add("id");
json = XML.toJSONObject(originalXml,
new XMLParserConfiguration()
.withForceList(forceListCandidates));
assertEquals(expectedJsonString, json.toString());
}
@Test
public void testForceListInitializesAnArrayWithAnEmptyElement(){
final String originalXml = "<root><id></id></root>";
final String expectedJsonString = "{\"root\":{\"id\":[\"\"]}}";
HashSet<String> forceListCandidates = new HashSet<>();
forceListCandidates.add("id");
JSONObject json = XML.toJSONObject(originalXml,
new XMLParserConfiguration()
.withForceList(forceListCandidates));
assertEquals(expectedJsonString, json.toString());
}
@Test
public void testForceListInitializesAnArrayWithAnEmptyTag(){
final String originalXml = "<root><id/></root>";
final String expectedJsonString = "{\"root\":{\"id\":[\"\"]}}";
HashSet<String> forceListCandidates = new HashSet<>();
forceListCandidates.add("id");
JSONObject json = XML.toJSONObject(originalXml,
new XMLParserConfiguration()
.withForceList(forceListCandidates));
assertEquals(expectedJsonString, json.toString());
}
@Test
public void testMaxNestingDepthIsSet() {
XMLParserConfiguration xmlParserConfiguration = XMLParserConfiguration.ORIGINAL;